Mood: The mood of the video appears to be melancholic and introspective, with a sense of longing. The theme seems to revolve around heartbreak, love, or a transformative journey. The use of the term 'HeartQuake' suggests a powerful emotional upheaval.

Environment: The setting seems to be a transitional or temporary location, possibly a hospital or a home, given the presence of a staircase and the man wearing a neck brace. The background suggests a somewhat sterile or domestic environment.